14349421 has 2 divisors, whose sum is σ = 14349422.
Its totient is φ = 14349420.
The previous prime is 14349407. The next prime is 14349443. The reversal of 14349421 is 12494341.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 14333796 + 15625 = 3786^2 + 125^2
It is a cyclic number.
It is not a de Polignac number, because 14349421 - 29 = 14348909 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 14349421.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14349121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7174710 + 7174711.
It is an arithmetic number, because the mean of its divisors is an integer number (7174711).
Almost surely, 214349421 is an apocalyptic number.
It is an amenable number.
14349421 is a deficient number, since it is larger than the sum of its proper divisors (1).
14349421 is an equidigital number, since it uses as much as digits as its factorization.
14349421 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3456, while the sum is 28.
The square root of 14349421 is about 3788.0629614620.
The cubic root of 14349421 is about 243.0029015104.
The spelling of 14349421 in words is "fourteen million, three hundred forty-nine thousand, four hundred twenty-one".